Given that the eccentricity of hyperbola is 2, the focus is (4,0), (- 4,0), then what is the hyperbolic equation? Help me if you know

Given that the eccentricity of hyperbola is 2, the focus is (4,0), (- 4,0), then what is the hyperbolic equation? Help me if you know

4 x minus 12 y equals 1